The JBL Tune 520BT headphones stream powerful JBL Pure Bass sound for up to 57 hours, thanks to the latest 5.3 BT technology. Quickly rechargeable, they sit comfortably on your head even after hours of listening pleasure. With a flat-folding design, the JBL Tune 520BT easily fits in your backpack to follow you everywhere. .
They look good they feel good they sound good but they don't get loud enough for me but I'm going to start working on the weights and hear all the congestion in there you can't hear them good enough